Arm extension machine



FIG. 1 is front perspective view of the arm extension machine of the subject invention;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for an arm extension machine, as shown. 